package cn.tedu.sp03.service;

import cn.tedu.sp01.pojo.User;
import cn.tedu.sp01.service.UserService;
import cn.tedu.web.util.JsonUtil;
import com.fasterxml.jackson.core.type.TypeReference;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.stereotype.Service;

import java.util.List;
@Slf4j
@Service
public class UserServiceImpl implements UserService {
    @Value("${sp.user-service.users}")
    private String userJson;
    @Override
    public User getUser(Integer userId) {
        log.info("获取用户，userId="+userId);
        //userJson ---> List<User>
        //new TypeReference<List<User>>(){} 只是利用匿名内部类继承的语法格式
        List<User> users = JsonUtil.from(userJson, new TypeReference<List<User>>(){});
        for (User u : users) {
            if (u.getId().equals(userId)){
                return u;
            }
        }
        return new User(userId,"用户名"+userId,"密码"+userId);
    }

    @Override
    public void addScore(Integer id, Integer score) {
        log.info("user "+id+" - 增加积分 "+score);
    }
}
